大约有 45,000 项符合查询结果（耗时：0.0568秒） [XML]
How to get the body's content of an iframe in Javascript?
...getElementById('id_description_iframe');
// or
var iframe = document.querySelector('#id_description_iframe');
And then use jQuery's solution
var iframeDocument = iframe.contentDocument || iframe.contentWindow.document;
It works even in the Internet Explorer which does this trick during the ...
Get data from file input in JQuery
...tml>
<head>
<script>
function handleFileSelect()
{
if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
alert('The File APIs are not fully supported in this browser.');
return;
}
...
How to click or tap on a TextView text
...ewIn) {
try {
Log.d(TAG,"GMAIL account selected");
} catch (Exception except) {
Log.e(TAG,"Ooops GMAIL account selection problem "+except.getMessage());
}
}
});
the text view is declared lik...
Converting Go struct to JSON
...ventually it was determined that co opting the capitalization of the first char works best with fewest trade-offs. Before the Go1 release other schemes were tried and rejected.
– deft_code
Jun 2 '14 at 6:31
...
Count lines of code in all java classes in Android Studio
...all the latest version
To install
Run Android Studio
From the menu bar, select File-->Settings
Under IDE Settings, click Plugins, and then click Install plugin from disk
Navigate to the folder where you downloaded the plugin and double-click it
Restart Android Studio
To count the lines
Che...
Select rows of a matrix that meet a condition
...20, ncol = 4)
colnames(m) <- letters[1:4]
The following command will select the first row of the matrix above.
subset(m, m[,4] == 16)
And this will select the last three.
subset(m, m[,4] > 17)
The result will be a matrix in both cases.
If you want to use column names to select columns...
How to show vertical line to wrap the line in Vim?
...
@chutsu The Vim color chart is at: codeyarns.com/2011/07/29/vim-chart-of-color-names
– Ashwin Nanjappa
Sep 11 '15 at 1:04
...
Select first occurring element after another element
...
#many .more.selectors h4 + p { ... }
This is called the adjacent sibling selector.
share
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improve this answer
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...
Unpivot with column name
...hould be able to use the following which includes the subject in the final select list:
select u.name, u.subject, u.marks
from student s
unpivot
(
marks
for subject in (Maths, Science, English)
) u;
See SQL Fiddle with demo
...
How do I search within an array of hashes by hash values in ruby?
...
You're looking for Enumerable#select (also called find_all):
@fathers.select {|father| father["age"] > 35 }
# => [ { "age" => 40, "father" => "Bob" },
# { "age" => 50, "father" => "Batman" } ]
Per the documentation, it "returns a...